172-65710M-04 (SC-F71 Parameters/Functions) 23 Dec 2021
243
To display “Input 1_Dead zone”, choose “3 to 7 (Pressure control operation
[MC-
(V)COS(R)])” in Function block No.51: Input 1_Control action (Engineering
mode).
Table 8-3 Factory set value of Dead zone
Control
action
*
Valve coefficient F (pressure unit)
0
1
2
3
4
10
11
12
13
14
3
0.03
0.03
0.4
3
0.003
─
─
─
─
─
4
0.04
0.04
0.4
4
0.004
─
─
─
─
─
5
0.10
0.10
1.5
10
0.010
─
─
─
─
─
6
0.10
0.10
1.5
10
0.010
─
─
─
─
─
7
─
─
─
─
─
7
10
0.3
0.14
1
* Set value for the control operation set in Function block No. 51: Input 1_Control action (
1.ConT
)
Input 2_Control action [Engineering Mode: Function block No. 52 (
Fn52
)]
Parameter symbol
Data range
Factory set value
2. O S
0: PID control with Autotuning (direct action)
1: PID control with Autotuning (reverse action)
3: Pressure control operation [MC-COS(R)-3]
4: Pressure control operation [MC-COS(R)-16, 15 to 50 mm]
5: Pressure control operation [MC-COS(R)-16, 65 to 150 mm]
6: Pressure control operation [MC-COS(R)-21]
7: Pressure control operation [MC-VCOS(R)]
8: Temperature control operation [MC-COS(R)-16]
9: Temperature control operation [MC-VCOS(R)]
2: n/a
For cascade control, only 0 or 1 are selectable.
1
Refer to “4. Parameters that are Initialized/Modified when Setting is Changed” for
the parameters that are initialized when the Input 2_Control action is changed.
Input 2_Valve coefficient A to E [Engineering Mode: Function block No. 54
(
Fn54
)]
Parameter symbol
Data range
Factory set value
2. A
-1999 to 9999
0
2. b
-1999 to 9999
0
2. C
-1999 to 9999
0
2. d
-1999 to 9999
0
2. E
-1999 to 9999
0
Valve coefficient value (A to F) is indicated in the valve coefficient plate
(attached) on the MC-(V)COS(R), which is also indicated on the valve
coefficient tag when the equipment is new.
To display “Input 2_Valve coefficient A to E”, choose “2-loop control/Differential
temperature control” in Function block No. 58: Select function for Input 2
(Engineering mode), AND choose “3 to 7 (Pressure control operation [MC-
(V)COS(R)])” or “8 and 9 (Temperature control operation [MC-(V)COS(R)])” in
Function block No.52: Input 2_Control action (Engineering mode).
Input 2_Valve coefficient F [Engineering Mode: Function block No. 54 (
Fn54
)]
Parameter symbol
Data range
Factory set value
2. F
When Input 2_Control type is set to 3 to 6 or 8:
0: kg/cm
2
G
1: barg
2: psig
Same as Input 1_Valve
coefficient F (pressure unit)
Summary of Contents for SC-F71
Page 17: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 16 ...
Page 18: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 17 Differential temperature control ...
Page 114: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 113 Setting procedure ...
Page 131: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 130 Setting procedure ...
Page 134: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 133 Setting procedure ...
Page 141: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 140 Setting procedure ...
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Page 293: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 292 Checking PID values ...
Page 303: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 302 Setting procedure ...
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Page 347: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 346 Operating procedure ...
Page 388: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 387 Setting procedure ...